WalletToken
data class WalletToken(val paymentData: String, val network: CardNetwork?, val displayLabel: String?)(source)
The authorization material a wallet hands back, normalized across vendors.
paymentData is an opaque, encrypted blob — base64 of Apple's PKPaymentToken.paymentData, or Google's paymentMethodData.tokenizationData.token JSON. It is meaningless to the client and is only ever forwarded to the PSP by the backend; nothing here may branch on its contents.